Lucent Technologies 6.1 manual Tsapi, Ttr, Udp

MERLIN LEGENDCommunications System Release 6.1		Issue 1
System Planning 555-661-112	August 1998
Glossary
	Page GL-27
tip/ring	Contacts and associated conductors of a single-line
	telephone plug or jack.
touch-tone	See TTR.
receiver
T/R	See tip/ring.
trunk	Telecommunications path between the communications
	system and the telephone company central office (CO) or
	another switch. Often used synonymously with line.
trunk jack	See line/trunk jack.
trunk pool	See pool.
TSAPI	Telephony Services Application Programming Interface.
	An application programming interface that allows computer
	telephony applications to be used. TSAPI is supported by
	the MERLIN LEGEND Communications System Release
	5.0. See also TAPI and CTI.
TTR	(touch-tone receiver) Device used to decode DTMF
	touch-tones dialed from single-lineor Remote Access
	telephones.

U

UDP	(Uniform Dial Plan) Composed of the local dial plan and
	non-local dial plan. A dial plan that allows a caller at any
	extension in a private network to dial the same number of
	digits to reach any other extension in the private network,
	even if the originating extension is physically connected to
	one communications system and the terminating extension
	is physically connected to a different communications
	system.
unambiguous	The practice of numbering of extension ranges, remote
numbering	access codes, or other system components to avoid routing
	conflicts in network or local calling. For example, Extension
	441 is unique when compared to Extension 4410.
	However, it is ambiguous, because a system routes as
	soon as it matches the digits sent for a call with the digits in
	a local plan or in a non-local dial plan extension range.
	When a caller dials ￿￿￿￿, a system routes the call to
	Extension 441 immediately, without considering the last
	dialed digit.
Uniform Dial Plan	See UDP.
uninterruptible	See UPS.
power supply
unit load	Measure of the power load drain of a module, telephone, or
	adjunct.
unmonitored	An extension for which no CTI application is receiving call
extension	information. See also CTI link and monitored extension.